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【多选题】
杂环药物的非水滴定法中，溶解样品的溶剂一般有（）A.
甲醇
B.
二甲基甲酰胺
C.
甲醇钠
D.
醋酐
E.
冰醋酸
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【简答题】阅读理解。 'Throw me the ball!' 'Here! Throw it to me!' The boys are playing basketball. They play s every Tuesday and Thursday afternoon. There is a big field (场地) in the school. They play other s...
【单选题】—Look! The boys are playing football excitedly! — good time they have!
A.
How
B.
What
C.
What a
D.
How a
【简答题】The boys are playing football are from Class One.
【简答题】The boys are playing cards. ( 划线部分提问 )
【单选题】在已建"职工"表中有姓名、性别、出生日期等字段，查询并显示所有年龄在25岁以下职工的姓名、性别和年龄，正确的SQL命令是
A.
SELECT 姓名, 性别, YEAR(DATE())-YEAR ([出生日期]) AS 年龄 FROM 职工 WHERE YEAR (Date())-YEAR ([出生日期])<25
B.
SELECT 姓名, 性别, YEAR (DATE ())-YEAR ([出生日期]) 年龄 FROM 职工 WHERE YEAR (Date())-YEAR ([出生日期]) <25
C.
SELECT 姓名, 性别, YEAR (DATE ())-YEAR ([出生日期]) AS 年龄 FROM 职工 WHERE 年龄<25
D.
SELECT 姓名, 性别, YEAR(DATE ())-YEAR([出生日期]) 年龄 FROM 职工 WHERE 年龄<25
【单选题】_______ nice weather it is today! The boys are playing _______ outside in the open air.
A.
What, happily
B.
What a, happily
C.
How, happy
D.
How, happily
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